Add 21/98 and 7/56
21/98 + 7/56 is 19/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
7/56 = 7 × 7/56 × 7 = 49/392 - Add the two like fractions:
84/392 + 49/392 = 84 + 49/392 = 133/392 - 133/392 simplified gives 19/56
- So, 21/98 + 7/56 = 19/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+7/56 21/98+14/56 63/98+7/56 21/98+21/56 21/98+35/56 21/98+49/56